1 files changed, 138 insertions, 0 deletions

diff --git a/src/contrib/SDL-3.2.20/cmake/FindFFmpeg.cmake b/src/contrib/SDL-3.2.20/cmake/FindFFmpeg.cmake
new file mode 100644
index 0000000..62950c0
--- /dev/null
+++ b/src/contrib/SDL-3.2.20/cmake/FindFFmpeg.cmake
@@ -0,0 +1,138 @@
+# - Try to find the required ffmpeg components(default: AVFORMAT, AVUTIL, AVCODEC)
+#
+# Once done this will define
+#  FFMPEG_FOUND         - System has the all required components.
+#  FFMPEG_LIBRARIES     - Link these to use the required ffmpeg components.
+#
+# For each of the components it will additionally set.
+#   - AVCODEC
+#   - AVDEVICE
+#   - AVFORMAT
+#   - AVFILTER
+#   - AVUTIL
+#   - POSTPROC
+#   - SWSCALE
+# the following target will be defined
+#  FFmpeg::SDL::<component>        - link to this target to
+# the following variables will be defined
+#  FFmpeg_<component>_FOUND        - System has <component>
+#  FFmpeg_<component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers
+#  FFmpeg_<component>_LIBRARIES    - Link these to use <component>
+#  FFmpeg_<component>_DEFINITIONS  - Compiler switches required for using <component>
+#  FFmpeg_<component>_VERSION      - The components version
+#
+# Copyright (c) 2006, Matthias Kretz, <kretz@kde.org>
+# Copyright (c) 2008, Alexander Neundorf, <neundorf@kde.org>
+# Copyright (c) 2011, Michael Jansen, <kde@michael-jansen.biz>
+# Copyright (c) 2023, Sam lantinga, <slouken@libsdl.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+include(FindPackageHandleStandardArgs)
+include("${CMAKE_CURRENT_LIST_DIR}/PkgConfigHelper.cmake")
+
+# The default components were taken from a survey over other FindFFMPEG.cmake files
+if(NOT FFmpeg_FIND_COMPONENTS)
+  set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL)
+  foreach(_component IN LISTS FFmpeg_FIND_COMPONENTS)
+    set(FFmpeg_FIND_REQUIRED_${_component} TRUE)
+  endforeach()
+endif()
+
+find_package(PkgConfig QUIET)
+
+#
+### Macro: find_component
+#
+# Checks for the given component by invoking pkgconfig and then looking up the libraries and
+# include directories.
+#
+macro(find_component _component _pkgconfig _library _header)
+
+  # use pkg-config to get the directories and then use these values
+  # in the FIND_PATH() and FIND_LIBRARY() calls
+  if(PKG_CONFIG_FOUND)
+    pkg_check_modules(PC_${_component} QUIET ${_pkgconfig})
+  endif()
+
+  find_path(FFmpeg_${_component}_INCLUDE_DIRS
+    NAMES ${_header}
+    HINTS
+      ${PC_${_component}_INCLUDE_DIRS}
+    PATH_SUFFIXES
+      ffmpeg
+  )
+
+  find_library(FFmpeg_${_component}_LIBRARY
+    NAMES ${_library}
+    HINTS
+      ${PC_${_component}_LIBRARY_DIRS}
+  )
+
+  if(FFmpeg_${_component}_INCLUDE_DIRS AND FFmpeg_${_component}_LIBRARY)
+    set(FFmpeg_${_component}_FOUND TRUE)
+  endif()
+
+  if(PC_${_component}_FOUND)
+    get_flags_from_pkg_config("${FFmpeg_${_component}_LIBRARY}" "PC_${_component}" "${_component}")
+  endif()
+
+  set(FFmpeg_${_component}_VERSION "${PC_${_component}_VERSION}")
+
+  set(FFmpeg_${_component}_COMPILE_OPTIONS "${${_component}_options}" CACHE STRING "Extra compile options of FFmpeg ${_component}")
+
+  set(FFmpeg_${_component}_LIBRARIES "${${_component}_link_libraries}" CACHE STRING "Extra link libraries of FFmpeg ${_component}")
+
+  set(FFmpeg_${_component}_LINK_OPTIONS "${${_component}_link_options}" CACHE STRING "Extra link flags of FFmpeg ${_component}")
+
+  set(FFmpeg_${_component}_LINK_DIRECTORIES "${${_component}_link_directories}" CACHE PATH "Extra link directories of FFmpeg ${_component}")
+
+  mark_as_advanced(
+    FFmpeg_${_component}_INCLUDE_DIRS
+    FFmpeg_${_component}_LIBRARY
+    FFmpeg_${_component}_COMPILE_OPTIONS
+    FFmpeg_${_component}_LIBRARIES
+    FFmpeg_${_component}_LINK_OPTIONS
+    FFmpeg_${_component}_LINK_DIRECTORIES
+  )
+endmacro()
+
+# Check for all possible component.
+find_component(AVCODEC    libavcodec    avcodec  libavcodec/avcodec.h)
+find_component(AVFORMAT   libavformat   avformat libavformat/avformat.h)
+find_component(AVDEVICE   libavdevice   avdevice libavdevice/avdevice.h)
+find_component(AVUTIL     libavutil     avutil   libavutil/avutil.h)
+find_component(AVFILTER   libavfilter   avfilter libavfilter/avfilter.h)
+find_component(SWSCALE    libswscale    swscale  libswscale/swscale.h)
+find_component(POSTPROC   libpostproc   postproc libpostproc/postprocess.h)
+find_component(SWRESAMPLE libswresample swresample libswresample/swresample.h)
+
+# Compile the list of required vars
+set(_FFmpeg_REQUIRED_VARS)
+foreach(_component ${FFmpeg_FIND_COMPONENTS})
+  list(APPEND _FFmpeg_REQUIRED_VARS FFmpeg_${_component}_INCLUDE_DIRS FFmpeg_${_component}_LIBRARY)
+endforeach ()
+
+# Give a nice error message if some of the required vars are missing.
+find_package_handle_standard_args(FFmpeg DEFAULT_MSG ${_FFmpeg_REQUIRED_VARS})
+
+set(FFMPEG_LIBRARIES)
+if(FFmpeg_FOUND)
+  foreach(_component IN LISTS FFmpeg_FIND_COMPONENTS)
+    if(FFmpeg_${_component}_FOUND)
+      list(APPEND FFMPEG_LIBRARIES FFmpeg::SDL::${_component})
+      if(NOT TARGET FFmpeg::SDL::${_component})
+        add_library(FFmpeg::SDL::${_component} UNKNOWN IMPORTED)
+        set_target_properties(FFmpeg::SDL::${_component} PROPERTIES
+          IMPORTED_LOCATION "${FFmpeg_${_component}_LIBRARY}"
+          INTERFACE_INCLUDE_DIRECTORIES "${FFmpeg_${_component}_INCLUDE_DIRS}"
+          INTERFACE_COMPILE_OPTIONS "${FFmpeg_${_component}_COMPILE_OPTIONS}"
+          INTERFACE_LINK_LIBRARIES "${FFmpeg_${_component}_LIBRARIES}"
+          INTERFACE_LINK_OPTIONS "${FFmpeg_${_component}_LINK_OPTIONS}"
+          INTERFACE_LINK_DIRECTORIES "${FFmpeg_${_component}_LINK_DIRECTORIES}"
+        )
+      endif()
+    endif()
+  endforeach()
+endif()